Function for hierarchical clustering of genes according to their expression distribution in 2D or multi-dimensional space

hclust_haystack(
  x,
  expression,
  grid.coordinates,
  hclust.method = "ward.D",
  cor.method = "spearman",
  ...
)

# S3 method for matrix
hclust_haystack(
  x,
  expression,
  grid.coordinates,
  hclust.method = "ward.D",
  cor.method = "spearman",
  ...
)

# S3 method for data.frame
hclust_haystack(
  x,
  expression,
  grid.coordinates,
  hclust.method = "ward.D",
  cor.method = "spearman",
  ...
)

Arguments

x: a matrix or other object from which coordinates of cells can be extracted.
expression: expression matrix.
grid.coordinates: coordinates of the grid points.
hclust.method: method used with hclust.
cor.method: method used with cor.
...: further parameters passed down to methods.